Question

There are four metal rods of lengths 102 cm, 136 em, 153 cm and 289 cm each. They are all cut into parts having equal maximum length. Select the option showing the total number of parts of all the rods.

Answer 1

102=17*6

136=17*8

153=17*9

289=17*17. i,e.[ 6+8+9+17=40 pieces ]